Permit · B200469514Chicago Open DataRenovation

307 N Michigan Ave

Chicago · IL · 60601

What is permit #B200469514 at 307 N Michigan Ave, Chicago, IL?

307 N Michigan Ave in Chicago, IL has a renovation permit (#B200469514) filed Wednesday, May 20, 2026 by Barry Lymperopoulos. Status: issued.

Issued

Wednesday, May 20, 2026

Filed value

Not listed

Contractor

Barry Lymperopoulos

County

Cook County

Status

issued

§Scope

Work description.

Fire alarm: repair existing system. affects: 0 dwelling units; 3 non-residential units. high-rise building: yes. voice communication: no. special locking: yes. monitoring type: supervising station . specific location: 6th, 7th, and 13th floor.

§Where

Plotted on the map.

§Same address

Other permits at this property.

3 other permits at 307 N Michigan Ave. Electrical, plumbing and HVAC on one property often share a GC, so follow the paper trail.

Full permit history at this address →

#B200461797ElectricalMar 23, 2026
#B200460237ElectricalMar 16, 2026· Kalish Electric Co.· $615,500,000
#101076234ElectricalMar 8, 2026· Kalish Electric Co.· $2,600,000

§More like this

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№ 001

Chicago, ILPro

Chicago · ILRenovationB200462668

Tuckpointing and unit masonry repair / replacement: 800 sq. ft., lintel qty. 24, max. length 4. location: masonry repairs, interior under # 101080662.

OwnerbzZbmvAX XzYJKContractorBm Builders Group,Inc

$20,0002dMAY 28

№ 002

307 N Michigan Ave

Work description.

Plotted on the map.

Other permits at this property.

More renovation permits in Chicago.

Product

All states on record